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Moon of Orcus

Vanth

Open in OuranosCompare its size

A moon of Orcus.

At Orcus.

Measured

Mean radius
238 km
Goes round once every
9.54 days
Distance from Orcus
about 8,975 km (its orbit's average)
Orbit
inclined 89.8°, eccentricity 0.001
JPL / NAIF id
120090482

How far, from the Earth

About 48.4 AU. To cross it:

  • Light6 hours 42 minutes
  • Voyager 1's speed13.6 years
  • Driving at 100 km/h8,250 years

Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.

Where this comes from

  • Moons: JPL Planetary Satellite Mean Elements and Physical Parameters, paced to JPL Horizons. NASA/JPL-Caltech. Sizes JPL leaves out are estimates, mostly from brightness: Scott Sheppard's moon pages at Carnegie.

Every catalogue Ouranos draws is credited on the credits page.